The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 2012
Filed:
Apr. 05, 2011
Applicants:
Thomas Rogers, Cranford, NJ (US);
Raymond F. Gastgeb, Doylestown, PA (US);
Inventors:
Thomas Rogers, Cranford, NJ (US);
Raymond F. Gastgeb, Doylestown, PA (US);
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10D 13/02 (2005.12);
U.S. Cl.
CPC ...
Abstract
A practice drumhead assembly including a mesh membrane held in substantially fixed relation to an acoustic membrane. The assembly preferably includes an annular tensioning ring for tensioning the mesh membrane, and an engagement member for substantially fixing the mesh membrane relative to the acoustic membrane. The tensioning ring includes a cylindrical rod with a turnbuckle that is rotated to increase the diameter of the tensioning ring.